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- W2142683365 abstract "An automated system is presented for reducing a multi-view lecture recording into a single view video containing a best view summary of active speakers. The system uses skin color detection and voxel-based analysis in locating likely speaker locations. Using time-delay estimates from multiple microphones, speech activity is analyzed for each speaker position. The Viterbi algorithm is then used to estimate a track of the active speaker which maximizes the observed speech activity. This novel approach is termed Voxel-based Viterbi Active Speaker Tracking (V-VAST) and is shown to track speakers with an accuracy of 0.23m. Using the tracking information, the system then extracts from the available camera views the most frontal face view of the active speaker to display." @default.
- W2142683365 created "2016-06-24" @default.
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- W2142683365 date "2011-05-01" @default.
- W2142683365 modified "2023-09-26" @default.
- W2142683365 title "Voxel-based Viterbi Active Speaker Tracking (V-VAST) with best view selection for video lecture post-production" @default.
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- W2142683365 doi "https://doi.org/10.1109/icassp.2011.5946941" @default.
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